I have an Apple MacBook Air A1370 with the same symptoms. Another descriptions with the same symptom/issue is "X on battery icon". I've spent a month on this little Christmas Vacation Project, to get it to work for my son who is in elementary school and needs of a computer for class activity where the chrome book comes up short. I bought it knowing that it would "not charge" and would "not power on". But I did my research online and on Apple's support/community website to understand how extensive the issue WOULD be to determined if I should gamble and make this purchase with an inexpensive fix. However, after a month of research, purchasing of a battery and two trips to the Apple Genius Bar (they are no geniuses BTW), I think I gambled and LOST!!! Here is what I know so far that may be of value to you....: A new battery fixed the problem temporarily A new battery from Amazon for ($70 incl tools) had enough juice to allow me to power up the MBA A1370 without the AC charger. I was able to see that it was a...